Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 8, Number 8—August 2002

West Nile Virus Outbreak in Horses, Southern France, 2000: Results of a Serosurvey

Benoit Durand*Comments to Author , Véronique Chevalier*, Régis Pouillot*, Jacques Labie*, Ingrid Marendat†, Bernadette Murgue†, Hervé Zeller†, and Stéphan Zientara*
Author affiliations: *Agence Française de Sécurité Sanitaire des Aliments, Maisons-Alfort, France; †Institut Pasteur, Paris, France;

Main Article

Table 3

Immunoglobulin G anti-West Nile virus individual-level prevalence in equines by group size, Camargue, France, 2000a

Group size Total Positive (%) Prevalence Ratio 95% CI
1–2 animals 1,353 165 (12.2) 2.2 1.6 to 3.0
3–6 animals 1,118 114 (10.2) 1.8 1.3 to 2.5
7–25 animals 1,355 87 (6.4) 1.1 0.8 to 1.5
>25 animals 1,281 55 (5.1) Ref.
Total 5,107 432 (9.7)

a Chi square = 54.11 (3 degrees of freedom), p<0.0001; 95% CI = 95% confidence intervals.

Main Article

Page created: July 16, 2010
Page updated: July 16, 2010
Page reviewed: July 16, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.